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NBMG Sample Site 2609

Occurrence in Humboldt county in Nevada, United States with commodities Silver, Arsenic
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Alteration
  9. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10047471
MRDS ID M242826
Record type Site
Current site name NBMG Sample Site 2609
Related records 10222701

Geographic coordinates

Geographic coordinates: -117.46208, 41.55933 (WGS84)
Elevation 1615

Site location context

Political divisions (FIPS codes)

Humboldt(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Spring City(quadrangle 1:24,000 scale)

Quinn River Valley(quadrangle 1:100,000 scale)

McDermitt(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Little Humboldt(hydrologic unit)

Humboldt(hydrologic accounting unit)

Black Rock Desert-Humboldt(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management NV)

Bureau of Land Management NV BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Nevada Humboldt

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 043N 040E 34 SW Nevada

Comments on the location information

  • INFO FROM LAND.ST :(1972)

Commodities

Commodity Importance
Silver Primary
Arsenic Critical Tertiary

Materials information

Materials Type of material
Iron Gangue
Quartz Gangue

Alteration

  • (Local) Kaolinization, Sericitization Of Rhyolite

Analytical data

Result SAMPLE 2609 OF BRECCIA FROM CONTACT ZONE CONTAINS 7 % FE, 0.05 % MG, 0.15 & TI, 50 PPM MN, 5 PPM AG, 700 PPM AS, 50 PPM B, 150 PPM BA, 1.5 PPM BE, 20 PPM CR, 100 PPM CU, 7 PPM NI, 10 PPM PB, 5 PPM SC, 100 PPM V, 10 PPM Y, 200 PPM ZN, 150 PPM ZR, AND 0.05 PPM AU (BY AA ANALYSIS).

Mineral occurrence model information

Model code 150
USGS model code 25c
Deposit model name Epithermal vein, Comstock
Mark3 model number 16

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Metamorphic Rock > Phyllite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale

Nearby scientific data

(1) -117.46208, 41.55933
ListMap

Economic information

Ore body information

  • Strike N30-50W
    Dip SW

Controls for ore emplacement

  • Shear Zone; Contact Of Rhyolite Dike With Metasediments

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Spring City District; Paradise Valley District; Mount Rose District

Land status

Ownership category BLM Administrative Area

Comments on the workings information

  • 3 SHALLOW SHAFTS; CUTS.

Comments on development

  • NO ACTIVITY AT TIME OF EXAMINATION IN 1984.

Reference information

Bibliographic references

  • Deposit

    TINGLEY, J. V., 5 SEP 84, NBMG FIELD EXAMINATION REPORT AND SAMPLE ANALYSIS.

  • Deposit

    WILLDEN, R., 1964, NBMG BULL 59, PL. I.

General comments

Subject category Comment text
Deposit CONTACT OF RHYOLITE DIKE (TO SW) AND PHYLLITE AND QUARTZITE (TO NE). BRECCIATED PHYLLITE AND QUARTZITE CEMENTED BY SILICA; SOME BRECCIA HAS RHYOLITE MATRIX. RHYOLITE IS KAOLINIZED, SERICITIZED; FRACTURES IN BRECCIA COATED WITH FE-OX-STAINED QUARTZ CRYSTALS. WALLROCK AT SOUTHERN SHAFT IS QUARTZITE, AT NE SHAFT IS PHYLLITE AND CARBONACEOUS SHALE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1987 La Pointe, D.D. (Tingley, J.V.) Nevada Bureau of Mines and Geology

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative Nevada resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.